1214720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 3176376

約数和(自身を除く): 1961656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 208, 256, 260, 292, 320, 365, 416, 520, 584, 640, 730, 832, 949, 1040, 1168, 1280, 1460, 1664, 1898, 2080, 2336, 2920, 3328, 3796, 4160, 4672, 4745, 5840, 7592, 8320, 9344, 9490, 11680, 15184, 16640, 18688, 18980, 23360, 30368, 37960, 46720, 60736, 75920, 93440, 121472, 151840, 242944, 303680, 607360, 1214720]

約数ペア:

[(1, 1214720), (2, 607360), (4, 303680), (5, 242944), (8, 151840), (10, 121472), (13, 93440), (16, 75920), (20, 60736), (26, 46720), (32, 37960), (40, 30368), (52, 23360), (64, 18980), (65, 18688), (73, 16640), (80, 15184), (104, 11680), (128, 9490), (130, 9344), (146, 8320), (160, 7592), (208, 5840), (256, 4745), (260, 4672), (292, 4160), (320, 3796), (365, 3328), (416, 2920), (520, 2336), (584, 2080), (640, 1898), (730, 1664), (832, 1460), (949, 1280), (1040, 1168)]